Re: [PATCH 2/4] serial: xuartps: Do not handle overrun errors under IGNPAR option

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 08/17/2015 03:22 AM, Michal Simek wrote:
> From: Anirudha Sarangi <anirudha.sarangi@xxxxxxxxxx>
> 
> The existing implementation includes overrun errors under IGNPAR
> option. This patch fixes it by including only parity and framing
> error under IGNPAR option.

The convention adopted by Linux serial drivers is to ignore overrun
errors if both IGNPAR and IGNBRK are set.

Regards,
Peter Hurley

> Signed-off-by: Anirudha Sarangi <anirudh@xxxxxxxxxx>
> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
> ---
> 
>  drivers/tty/serial/xilinx_uartps.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
> index a3020344ac9d..c4437e8929ff 100644
> --- a/drivers/tty/serial/xilinx_uartps.c
> +++ b/drivers/tty/serial/xilinx_uartps.c
> @@ -691,7 +691,7 @@ static void cdns_uart_set_termios(struct uart_port *port,
>  
>  	if (termios->c_iflag & IGNPAR)
>  		port->ignore_status_mask |= CDNS_UART_IXR_PARITY |
> -			CDNS_UART_IXR_FRAMING | CDNS_UART_IXR_OVERRUN;
> +					    CDNS_UART_IXR_FRAMING;
>  
>  	/* ignore all characters if CREAD is not set */
>  	if ((termios->c_cflag & CREAD) == 0)
> 

--
To unsubscribe from this list: send the line "unsubscribe linux-serial" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux PPP]     [Linux FS]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Linmodem]     [Device Mapper]     [Linux Kernel for ARM]

  Powered by Linux